WA
William Armstrong — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clackamas, Oregon
Our Model Tree links this William Armstrong across the 1900, 1910 and 1920 US Censuses in Clackamas, Oregon (XGBoost, ~Confirmed), with identified parents Thomas & Catherine — first a son (b.~1890), then head of a 3-person household.
Age 30
b. ~1890
Male
Son
Born: Oregon
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clackamas, Oregon |
| Surname | Armstrong |
| Given Name | William M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Australia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Farmer |
| Township / Ward | West River Precinct No 2 |
| Est. Birth Year | ~1890 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Armstrong | Head | — | 67 | ~1853 |
| William Armstrong | Son | — | 30 | ~1890 |
| Catherine Armstrong | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Clackamas, Oregon
Son, age 10
Clackamas, Oregon · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| Birth Month | Jan |
| Birth Year | 1890 |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Australia |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1910
Clackamas, Oregon
Son, age 20
Clackamas, Oregon · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | William M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Australia |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1920
Clackamas, Oregon
Son, age 30
Clackamas, Oregon · implied b. ~1890 — 3 household members
| Surname | Armstrong |
| Given Name | William M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Australia |
| Occupation | Farmer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Armstrong across 3 US Census years (1900, 1910 and 1920) in Clackamas, Oregon, using XGBoost record linkage. Identified parents: father Thomas Armstrong (~0.92 confidence) and mother Catherine Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Armstrong
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Catherine Armstrong
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Armstrong
Son · 1920 · age 30 · b. ~1890 · Oregon
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Clackamas, Oregon
Open full size
1920 US Federal Census — Clackamas, Oregon
Page Contents
30 people indexed on this census page (ia:1920:14thcensusofpopu1492unit:0572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Katherine Yunkers | 50 | Wife | — | Kentucky |
| 52 | John Yunkers | 27 | Son | Farmer | Kansas |
| 53 | Clara A. Yunkers | 26 | Daughter | — | Oregon |
| 54 | George Yunkers | 14 | Son | — | Oregon |
| 55 | Francis Yunkers | 13 | Son | — | Oregon |
| 56 | Mary A. Boylan | 65 | Head | Farmer | Oregon |
| 57 | William J. Boylan | 40 | Son | Farmer | Oregon |
| 58 | James E. Boylan | 37 | Son | Farmer | Oregon |
| 59 | Rose A. Boylan | 34 | Daughter | — | Oregon |
| 60 | George A. Armstrong | 53 | Brother | — | Oregon |
| 61 | Edmond H. Peit | 35 | Head | Farmer | Wisconsin |
| 62 | Nellie A. Peit | 32 | Wife | — | Michigan |
| 63 | Albert Peit | 6 | Son | — | Oregon |
| 64 | Mildred A. Peit | 4 | Daughter | — | Oregon |
| 65 | Thomas Armstrong | 67 | Head | Farmer | Oregon |
| 66 | Catherine M. Armstrong | 54 | Wife | — | Australia |
| 67 | William M. Armstrong THIS PERSON | 30 | Son | Farmer | Oregon |
| 68 | Thomas Hage | 33 | Head | Farmer | Norway |
| 69 | John H. Armstrong | 62 | Head | Farmer | Oregon |
| 70 | Nora M. Armstrong | 50 | Wife | — | Australia |
| 71 | Frederick E. Armstrong | 31 | Son | Cook | Oregon |
| 72 | Olaf F. Hagdale | 54 | Head | Master Pilot | Sweden |
| 73 | Mary E. Hagdale | 52 | Wife | — | Massachusetts |
| 74 | Olaf F. Hagdale | 15 | Son | — | Oregon |
| 75 | Charles R. Achillis | 28 | Head | Farmer | Missouri |
| 76 | Helen Achillis | 18 | Wife | — | Oregon |
| 77 | Charles Salomo | 60 | Head | Farmer | Germany |
| 78 | Elizabeth Salomo | 61 | Wife | — | Austria |
| 79 | Anna Creegan | 61 | Head | Farmer | Ireland |
| 80 | Peter Bostagin | 54 | Brother | Laborer | Ireland |
Related Census Records
Pedigree Summary
William
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)